September weather forecast and climate
McDougal, AR

Weather in September

The first month of the autumn, September, is still a warm month in McDougal, Arkansas, with average temperature varying between 63°F (17.2°C) and 81.9°F (27.7°C).

Temperature

In McDougal, the average high-temperature is almost the same as in August - a warm 81.9°F (27.7°C). The average low-temperature, in September, is 63°F (17.2°C).

Heat index

In September, the average heat index is estimated at a tropical 86.9°F (30.5°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, pregnancy, metabolic differences, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in September is 73%.

Rainfall

The month with the least rainfall in McDougal is September when the rain falls for 10.6 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

In McDougal snow does not fall in April through September.

Daylight

In McDougal, the average length of the day in September is 12.4h.

Sunshine

In McDougal, the average sunshine is 9.6h.

UV index

In McDougal, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in McDougal?

The average high-temperature, in September, in McDougal, Arkansas, is 81.9°F (27.7°C), while the average low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), that factores the actual air temperature with the relative humidity, in September is calculated to 86.9°F (30.5°C).

What is the average humidity in September in McDougal?

The average relative humidity in September is 73%.

How much does it rain in McDougal in September?

In McDougal, during September, the rain falls for 10.6 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the driest month in McDougal?

September is the month with the least rainfall in McDougal, Arkansas. Rain falls for 10.6 days and accumulates 1.89" (48mm) of precipitation.

Does it snow in McDougal in September?

In McDougal, Arkansas, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in McDougal?

In McDougal, Arkansas, snow does not fall in April through September.

How many hours of daylight does McDougal have in September?

In McDougal, the average length of the day in September is 12.4h.

How long on average sun shines in September in McDougal?

In September, the average sunshine in McDougal is 9.6h.

What is the UV index intensity in September in McDougal?

The average daily maximum UV index in September in McDougal is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
McDougal, AR

Average temperature in September - McDougal, AR
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in September: 63°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in September
McDougal, AR

Average pressure in September - McDougal, AR
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
McDougal, AR

Average wind speed in September - McDougal, AR
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in September
McDougal, AR

Average humidity in September - McDougal, AR
  • Average humidity in September: 73%

Months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
McDougal, AR

Average rainfall in September - McDougal, AR
  • Average rainfall in September: 1.89"

The wettest months (with the highest rainfall) are April and May (4.37").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
McDougal, AR

Average rainfall days in September - McDougal, AR
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in September
McDougal, AR

Average snowfall in September - McDougal, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.18").
Months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
McDougal, AR

Average snowfall days in September - McDougal, AR
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and February (2.3 days).
Months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
McDougal, AR

Average daylight in September / Average sunshine in September - McDougal, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is June (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in September
McDougal, AR

Average sunshine days in September - McDougal, AR
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (13.2 days).

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Average UV index in September
McDougal, AR

Average UV index in September - McDougal, AR
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
McDougal, AR

Average cloud cover in September - McDougal, AR
  • Average cloud cover in September: 27

Months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).

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Average visibility in September
McDougal, AR

Average visibility in September - McDougal, AR
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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